| Patents for H02J 3 - Circuit arrangements for ac mains or ac distribution networks (38,663) |
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| 06/08/2011 | CN101630840B Intelligent control system for microgrid energy |
| 06/08/2011 | CN101572414B Triphase intermediate frequency power supply remote voltage compensation three closed loop feedback regulation device |
| 06/07/2011 | US7957844 Device and a method for power balancing |
| 06/07/2011 | CA2425587C Reverse phase control power switching circuit with overload protection |
| 06/03/2011 | WO2011066081A2 Power conversion systems |
| 06/03/2011 | WO2011065498A1 Control system, correction apparatus, and power control method |
| 06/03/2011 | WO2011065495A1 Control apparatus and control method |
| 06/03/2011 | WO2011065494A1 Control device, control system, and control method |
| 06/03/2011 | WO2011065278A1 Grid connection apparatus |
| 06/03/2011 | WO2011063582A1 Grid-connected power generating system of solar energy and wind power plant |
| 06/03/2011 | WO2011028895A3 Flywheel-based energy storage on a heave-compensating drawworks |
| 06/03/2011 | CA2780806A1 Power conversion systems |
| 06/02/2011 | CA2722631A1 Phase identification system and method |
| 06/01/2011 | EP2328259A1 System and method for power management in a photovoltaic installation |
| 06/01/2011 | EP2328251A2 A phase lock loop with tracking filter for synchronizing an electric grid |
| 06/01/2011 | EP2327149A2 System and method for monitoring power damping compliance of a power generation unit |
| 06/01/2011 | EP2327133A2 Electric actuator including two current-controlled voltage inverters powering an electric machine, and reconfigurable in the presence of a defect |
| 06/01/2011 | EP2326835A2 Method for controlling a wind farm |
| 06/01/2011 | EP2326528A1 System for the location-independent power intake of and/or for the location-independent power feed by a mobile storage and consumption unit |
| 06/01/2011 | CN201854155U Variable-speed synchronous generator |
| 06/01/2011 | CN201854096U Charging device |
| 06/01/2011 | CN201854091U Power buffer control system |
| 06/01/2011 | CN201854090U 智能变压器 Smart Transformers |
| 06/01/2011 | CN201854089U On-line monitoring device for filtering compensation equipment |
| 06/01/2011 | CN201854042U Low-voltage crossing variable pitch control system of doubly-fed wind power generator set |
| 06/01/2011 | CN201854041U Power transformation protective device |
| 06/01/2011 | CN201854040U Intelligent low-voltage power capacitor |
| 06/01/2011 | CN201854039U Line pile power regulator |
| 06/01/2011 | CN201854038U Intelligent damage resistance protector |
| 06/01/2011 | CN201854037U Dynamic controller |
| 06/01/2011 | CN201854036U Low-pressure reactive power compensating device assemblies |
| 06/01/2011 | CN201854035U Low-voltage reactive dynamic compensation controller |
| 06/01/2011 | CN201854034U Power supply control box |
| 06/01/2011 | CN201854033U Serial connection type surging suppression optimized structure |
| 06/01/2011 | CN201854024U Protecting device of feedback unit |
| 06/01/2011 | CN201851101U Experimental measurement platform system applicable to high-power transmission and communication system |
| 06/01/2011 | CN102084586A A voltage source converter |
| 06/01/2011 | CN102084575A Energy systems, energy devices, energy utilization methods, and energy transfer methods |
| 06/01/2011 | CN102084572A An electrical generator network and a local electrical system |
| 06/01/2011 | CN102084571A A plant for transmitting electric power |
| 06/01/2011 | CN102084570A Power storage device for electric power generation system and method for operating the power storage device |
| 06/01/2011 | CN102084569A Method and system for managing a power grid |
| 06/01/2011 | CN102082541A Overcurrent inhibition method for doubly-fed wind driven generator rotor in grid fault |
| 06/01/2011 | CN102082465A Design for novel wireless power factor real-time monitoring system |
| 06/01/2011 | CN102082444A Photovoltaic inverter power generation grid-connecting method |
| 06/01/2011 | CN102082443A Direct current (DC)-alternating current (AC) converting system and method |
| 06/01/2011 | CN102082442A High-voltage static var generator (SVG) without starting circuit and method for connecting SVG to power grid |
| 06/01/2011 | CN102082441A Control circuit of reactive power compensating capacitors for pumping unit |
| 06/01/2011 | CN102082440A Voltage reactive comprehensive control method for step transformer substations |
| 06/01/2011 | CN102082439A Method and device for optimizing quality of electric energy |
| 06/01/2011 | CN102082438A Intelligent automatic reactive power compensation cabinet |
| 06/01/2011 | CN102082437A Grid no-power vacancy calculating and optimizing device |
| 06/01/2011 | CN102082436A Hybrid power filter |
| 06/01/2011 | CN102082435A Algorithm for Q(z) function in iteration control of active filter |
| 06/01/2011 | CN102082434A Optimal strategy and performance evaluation method controlled by multi-target section tidal current |
| 06/01/2011 | CN102082433A Predicting device and method of voltage stability of wind power parallel network system |
| 06/01/2011 | CN101629548B Complementary power supply device of solar photovoltaic power generation and wind power generation on coastal beaches |
| 06/01/2011 | CN101567559B Tabular method of non-intrusive electrical load decomposition |
| 06/01/2011 | CN101394089B Control method for three phase active electric power filter to output current wave |
| 06/01/2011 | CN101383510B Device and method for electricity energy transmission by high-voltage transmission line |
| 06/01/2011 | CN101345419B Series voltage quality regulator and fast investment and cutting method |
| 06/01/2011 | CN101340099B Super capacitor and accumulator hybrid energy-storing series type dynamic voltage restorer |
| 05/31/2011 | US7953993 Method and apparatus for a zero voltage processor sleep state |
| 05/31/2011 | US7952228 Power supply apparatus and electronic apparatus |
| 05/26/2011 | WO2011063225A2 Providing power to powered device having multiple power supply inputs |
| 05/26/2011 | WO2011062464A1 Method and apparatus for transmitting discontinuous monopolarized electrical energy |
| 05/26/2011 | WO2011061538A2 A grid oscillation analysis method and apparatus therefor |
| 05/26/2011 | WO2011061153A2 Tuning a power oscillation damping unit |
| 05/26/2011 | WO2011061075A2 Method, device and system for responsive load management using frequency regulation credits |
| 05/26/2011 | WO2011060953A2 End-to-end energy management system |
| 05/26/2011 | WO2011060811A1 Method of adjusting a voltage across terminals of a load |
| 05/26/2011 | WO2010045995A3 Method for parallel control of transformers having step switches |
| 05/26/2011 | US20110121655 Inverter with uninterruptible power supply for water pump |
| 05/26/2011 | US20110121649 Energy savings based on power factor correction |
| 05/26/2011 | US20110121647 Solar power distribution system |
| 05/26/2011 | DE102009054078A1 Batterieproduktionseinrichtung Battery production facility |
| 05/25/2011 | EP2325999A2 Electric load damper for damping torsional oscillation |
| 05/25/2011 | EP2325996A2 Feeding system for an inductive load from an energy source with variable power |
| 05/25/2011 | EP2325971A2 Multi-tasking power processor for a vehicle electric system |
| 05/25/2011 | EP2325970A2 Energy management system and grid-connected energy storage system including the energy management system |
| 05/25/2011 | EP2325969A2 Systems and methods for monitoring power devices |
| 05/25/2011 | EP2325968A1 Tuning a power oscillation damping unit |
| 05/25/2011 | EP2325716A1 Reactive power regulation and voltage support for renewable energy plants |
| 05/25/2011 | EP2324551A2 Power control for a wind park |
| 05/25/2011 | EP2324550A1 Power supply arrangement for direct electrical heating of a pipeline system |
| 05/25/2011 | EP2324549A1 Device and method for operating an electrical load |
| 05/25/2011 | EP2324327A2 Mobile electricity meter for the location-independent power intake of and/or for the location-independent power feed by a mobile storage and consumption unit |
| 05/25/2011 | CN201846306U Variable frequency energy saver of three-phase fan |
| 05/25/2011 | CN201846301U Electricity saver of motor |
| 05/25/2011 | CN201846291U Energy-saving reactive power compensation starting cabinet for motor |
| 05/25/2011 | CN201846251U Solar power generation device |
| 05/25/2011 | CN201846222U Converter cabinet for wind power generation |
| 05/25/2011 | CN201846094U Parallel generator set |
| 05/25/2011 | CN201846093U Photovoltaic inverter power unit |
| 05/25/2011 | CN201846092U High-power direct-drive wind power generating current transformer low-voltage ride-through circuit |
| 05/25/2011 | CN201846091U Full numerical control three-phrase solar photovoltaic grid-connected inverter |
| 05/25/2011 | CN201846090U Double-fed generator system and protection device of double-fed generator system |
| 05/25/2011 | CN201846089U Voltage-regulating type three-phase loading unbalance limiter |
| 05/25/2011 | CN201846088U Intelligent capacitor with internal functions of electrical parameter measurement and protection |
| 05/25/2011 | CN201846087U Dynamic reactive compensating device for mine |